Table of Contents

- 1 What is the greatest common multiple of 56 and 42?
- 2 What is the least common multiple of 42?
- 3 What is the least common multiple 40 and 56?
- 4 What’s the greatest common factor of 42?
- 5 What’s the factor of 56?
- 6 What are the prime factors of 42?
- 7 What are the multiples of 42?
- 8 How do you find the lowest common multiple?

## What is the greatest common multiple of 56 and 42?

14

Answer: GCF of 42 and 56 is 14.

## What is the least common multiple of 42?

Answer: LCM of 42 and 54 is 378.

**What is the least common multiple of 56?**

Since 2300 is the multiple of 56 therefore the least common multiple of 56 and 100 is 2300.

### What is the least common multiple 40 and 56?

280

Answer: LCM of 40 and 56 is 280.

### What’s the greatest common factor of 42?

21

The GCF of 42 and 63 is 21. To calculate the greatest common factor (GCF) of 42 and 63, we need to factor each number (factors of 42 = 1, 2, 3, 6, 7, 14, 21, 42; factors of 63 = 1, 3, 7, 9, 21, 63) and choose the greatest factor that exactly divides both 42 and 63, i.e., 21.

**What is the greatest common factor of 56?**

GCF of 56 and 64 by Listing Common Factors

- Factors of 56: 1, 2, 4, 7, 8, 14, 28, 56.
- Factors of 64: 1, 2, 4, 8, 16, 32, 64.

## What’s the factor of 56?

The factors of 56 are the numbers that are multiplied in pairs resulting in an original number 56. Thus, the factors of 56 are 1, 2, 4, 7, 8, 14, 28 and 56.

## What are the prime factors of 42?

So, the prime factors of 42 are 2 × 3 × 7, where 2, 3 and 7 are prime numbers.

**What are the factors of 42?**

Factors of 42

- Factors of 42: 1, 2, 3, 6, 7, 14, 21, and 42.
- Factors of -42: -1, -2, -3, -6, -7, -14, -21 and -42.
- Prime Factorization of 42: 42 = 2 × 3 × 7.

### What are the multiples of 42?

Multiples of 42 are 42, 84, 126, 168, 210, 252, 294, 336, 378 and so on. Multiples of 36 are 36, 72, 108, 144, 180, 216, 252, 288, 324, 360 and so on. The least common multiple of 42 and 36 = 252.

### How do you find the lowest common multiple?

How to Find LCM by Listing Multiples

- List the multiples of each number until at least one of the multiples appears on all lists.
- Find the smallest number that is on all of the lists.
- This number is the LCM.

**What is the least common multiple of 40?**

Multiples of 40 are {40,80,120,160,200,240,….} {12,24,36,48,60,72,84,96,108,120,132,144,156,168,180,192,204,216,228240,….} Hence, Least Common Multiple is 120 .